The Sigma 24mm f/1.4 DG HSM Art Lens is SIGMA's next generation wide-angle lens for use with full-frame cameras. The lens provides very high image quality and excellent sharpness and color reproduction. The maximum aperture of f / 1.4 provides many options for the professional photographer, allowing a very shallow depth of field to be achieved. At the same time, this aperture allows you to shoot in low light conditions The construction of the Sigma AF 24 f / 1.4 DG HSM Art lens for Canon includes 15 elements in 11 groups, including 2 aspherical lenses, 3 elements from FLD and 4 from SLD glass. This design and use of special lenses minimizes the possibility of chromatic aberration, and 9 rounded aperture blades provide high-quality bokeh. The 35mm equivalent field of view is 84.1 °, and the minimum working focusing distance of 25cm is convenient for any shooting. The HSM index indicates that the lens uses a silent ultrasonic focusing drive.